Nextcloud Troubleshooting

I tried to install the sharepoint backend app but it failed the install and now NC is unreachable. I've tried to disable the app via cli but I get this error. Thoughts? Files External is not installed. Which I though it could be but I cannot do anything wih it.

'OCA\\Files_External\\Lib\\Config\\IBackendProvider' not found at \/var\/www\/nextcloud\/apps\/sharepoint\/lib\/Backend\/Provider.php#31"